Swages six sizes of tubing. Hex design for ease of extraction. Precision machined surface for ease of forming. High-alloy steel, heat-treated for strength and durability. Weight 5.9 oz (168 g) Overall Length 5.813" (14.8 cm)Swages 3/16", 1/4", 5/16", 3/8", 1/2", 5/8" (4.8 mm, 6.4 mm, 7.9 mm, 9.5 mm, 12.7 mm, 15.9 mm) O.D. Tubing